/Engine/Source/Runtime/Engine/Classes/Kismet/BlueprintPlatformLibrary.h
Schedule a local notification at a specific time, inLocalTime specifies the current local time or if UTC time should be used
static int32 ScheduleLocalNotificationAtTime ( const [FDateTime](API\Runtime\Core\Misc\FDateTime) & FireDateTime, bool LocalTime, const [FText](API\Runtime\Core\Internationalization\FText) & Title, const [FText](API\Runtime\Core\Internationalization\FText) & Body, const [FText](API\Runtime\Core\Internationalization\FText) & Action, const [FString](API\Runtime\Core\Containers\FString) & ActivationEvent )